Persigo Wastewater Treatment Plant
2145 River Road 4.5 Miles West Of Grand Junction, Grand Junction, CO 81501 · Mesa County · Publicly Owned Treatment Works
- Average flow
- 10.37 MGD
- Design flow
- 12.5 MGD
- NPDES permit
- CO0040053
- Administratively continued
- Permit expires
- December 2022
- Population served
- 75,531
- CWNS 2022
Persigo Wastewater Treatment Plant is a publicly owned wastewater treatment works in Grand Junction, Mesa County, Colorado treating an average of 10.37 million gallons per day against a permitted design capacity of 12.5 MGD, serving about 75,531 residents. It discharges under NPDES permit CO0040053 (administratively continued), which expires in December 2022, with 1 recorded violation in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in June 2011.
Treatment technology
4 treatment structures and unit processes identified at Persigo Wastewater Treatment Plant.
Available with a free Klarifi account
See the full treatment train at Persigo Wastewater Treatment Plant: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 1
- Effluent violations
- 1
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
EPA enforcement history
Federal civil enforcement cases, compliance inspections and informal actions recorded for Persigo Wastewater Treatment Plant in EPA's ICIS system.
- Formal actions
- 1
- 0 since FY2020
- Compliance actions
- $1,200
- required by EPA orders
- EPA inspections
- 4
- latest Jul 2007
Latest case · Jun 2011
Grand Junction, City of
Administrative order · CWA, Effluent Limitations - NPDES Toxic & Pretreatment Effluent Standards · Final Order No Penalty · Compliance actions $1,200
EPA's description of the case:
“This Administrative Order for Compliance is issued to the City of Grand Junction for failure to properly identify Alpine Powder as a SIU, failure to control discharges from all SIUs, failure to…”
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Source: EPA ECHO, civil enforcement case 08-2009-0129.
Full case history with a free Klarifi account
Every action against Persigo Wastewater Treatment Plant with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
30 verified contacts for Persigo Wastewater Treatment Plant, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Persigo Wastewater Treatment Plant, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Colorado
Fruita · 8 mi away
0.99 MGD
Clifton · 11 mi away
1.3 MGD
Palisade · 16 mi away
0.02 MGD
Mesa · 27 mi away
0.03 MGD
De Beque · 28 mi away
0.04 MGD
Collbran · 37 mi away
0.06 MGD
Delta · 38 mi away
1.2 MGD
Olathe · 49 mi away
0.18 MGD
Persigo Wastewater Treatment Plant: frequently asked questions
Sources and methodology
Flow, permit and violation figures come from the EPA's ICIS-NPDES discharge monitoring records. Population served comes from the Clean Watersheds Needs Survey 2022. Treatment structures are identified by Klarifi's review of aerial imagery, and capital improvement projects are extracted from published municipal budget documents. Violations are counted over the last three years of monitoring reports.
Data refreshed October 26, 2026; facility record last updated August 6, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Significant industrial user · WWTP · all terms